fkie_cve-2022-50577
Vulnerability from fkie_nvd
Published
2025-10-22 14:15
Modified
2025-10-22 21:12
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ima: Fix memory leak in __ima_inode_hash() Commit f3cc6b25dcc5 ("ima: always measure and audit files in policy") lets measurement or audit happen even if the file digest cannot be calculated. As a result, iint->ima_hash could have been allocated despite ima_collect_measurement() returning an error. Since ima_hash belongs to a temporary inode metadata structure, declared at the beginning of __ima_inode_hash(), just add a kfree() call if ima_collect_measurement() returns an error different from -ENOMEM (in that case, ima_hash should not have been allocated).
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8c1d6a050a0f16e0a9d32eaf53b965c77279c6f8
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c4df8cb38f139ed9f4296868c0a6f15a26e8c491
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f375bcf69f58fd0744c9dfd1b6b891a27301d67b
Impacted products
Vendor Product Version


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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nima: Fix memory leak in __ima_inode_hash()\n\nCommit f3cc6b25dcc5 (\"ima: always measure and audit files in policy\") lets\nmeasurement or audit happen even if the file digest cannot be calculated.\n\nAs a result, iint-\u003eima_hash could have been allocated despite\nima_collect_measurement() returning an error.\n\nSince ima_hash belongs to a temporary inode metadata structure, declared\nat the beginning of __ima_inode_hash(), just add a kfree() call if\nima_collect_measurement() returns an error different from -ENOMEM (in that\ncase, ima_hash should not have been allocated)."
    }
  ],
  "id": "CVE-2022-50577",
  "lastModified": "2025-10-22T21:12:48.953",
  "metrics": {},
  "published": "2025-10-22T14:15:42.677",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/8c1d6a050a0f16e0a9d32eaf53b965c77279c6f8"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c4df8cb38f139ed9f4296868c0a6f15a26e8c491"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f375bcf69f58fd0744c9dfd1b6b891a27301d67b"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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